[sigi45]

voice is not realistic in any scenario. Amazon echo or google doesn't understand everything, wide range microphone recording can't go unnoticed, the apps don't have access to it.

You are just one of Billion Facebook users, those numbers are high enough to have coincidences.

[xherberta]

Many apps do have access to microphone, don't they?

Voice recognition may not be good enough to transcribe the whole convo, but it would be sufficient to pick up repeated instances of "campari."

op: Is it possible something was said to accidentally trigger a search, like "Oh, que goo gel, blah-blah campari?" or "Way searing..."